* lisp/vc/diff-mode.el: Cosmetic changes in diff-syntax-fontify-hunk

(diff-default-directory): Use defvar-local.
(diff-syntax-fontify-hunk): Use 'setq' less.  Fit within 80 columns.
Simplify some looking-at tests.
(diff-syntax-fontify-props): Don't check the buffer-local part of
find-file-hook.
1 job for master in 60 minutes and 48 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
failed #1284
test-all

01:00:48

 
Name Stage Failure
failed
test-all Test The script exceeded the maximum execution time set for the job
  GEN      lisp/eshell/eshell-tests.log
ELC lisp/faces-tests.elc
GEN lisp/faces-tests.log
ELC lisp/ffap-tests.elc
GEN lisp/ffap-tests.log
ELC lisp/filenotify-tests.elc
GEN lisp/filenotify-tests.log
Pulling docker image gitlab/gitlab-runner-helper:x86_64-f100a208 ...
ERROR: Job failed: execution took longer than 1h0m0s seconds